in detroit they jumped more than 6%. and in denver prices were up nearly 5.5%. all of that good news for the folks who are keeping up with their mortgages. but people facing foreclosure are running into a new problem. nationally, the availability of rentals is now at its lowest rate since 2001. barry petersen has been looking into this. >> reporter: when john and gina burnett bought their home in suburban denver they thought they'd spend the rest of their lives here with gina's son keith who has down syndrome. but john lost his job three years ago in the construction industry. >> what happened to all of the jobs? where'd they go? >> reporter: now they face losing their house to foreclosure and for them an unplanned transition from home owner to renter. >> it's very hard. it's painful. it's frustrating. >> reporter: does it feel unfair that this is happening to you? >> we've done everything we possibly could to keep this from happening and-- i'm sorry. and-- >> reporter: but it's happening. >> yeah. >> reporter: and as more foreclosed families need apartments, th